Re: How to backspace in isearch-forward-regexp

[Bernardo]

> (I apologize if this is a duplicate post. I tried using the email
> gateway, but it didn't seem to work, or it takes too long.)
>
> After installing GNU Emacs on some new boxes recently, I finally
> realized one thing that is behaving differently than what I'm used to.
>
> When I'm using isearch-forward-regexp, I can type letter by letter,
> and it will update the first match found.  I used to be able to hit
> backspace while typing to remove the last character entered in the
> search string, in case I made a mistake entering the string.
>
> Now, when I hit backspace, it exits isearch-forward-regexp and sends
> the backspace directly to the buffer I was searching in, usually
> deleting the previous character at the end of the last match.
>
> I have a feeling this must have something to do with the binding of
> the backspace key in Cygwin.
>
> I'm using Emacs 23.0.92.1 on Cygwin 1.5.

does it happen when you start Emacs with -Q command line option?
(it's not happening here but i'm not running the Cygwin version)

in the meantime something like this:
(define-key isearch-mode-map [backspace] 'isearch-delete-char)

in your init file (.emacs) could provide a relief